As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6510 - IAD-LGA - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO NOSE STEERING STUCK TO THE LEFT. MAINTENANCE INSPECTED AND RERACKED PLUS LUBED RACK AND PINNION NLG STEERING. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)